Site

State

PM AQI* (ug/m3)

Albany

GA

26

San Antonio Old Hwy90 C677

TX

22

Laredo C313

TX

22

Portola

CA

21

Ft. Worth Northwest C13

TX

20

San Antonio Northwest C23

TX

20

Eagle Pass C319

TX

19

East Chicago - Marina

IN

19

Hinds CC

MS

19

Hattiesburg

MS

18